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Inspection Day

Inspection Day

George Kevorkian of Conam Inspection scrutinizes Alvin's titanium personnel sphere, examining weldments during the submersible's overhaul in February 2006 (click for a Windows Media movie). His tools included a magnifying lens, a flashlight, and a dye penetrant to determine the porosity of the titanium in selected areas. The 25-year-old, 2-inch thick titanium sphere is examined by professional inspectors every two years. (Photo by Tom Kleindinst, Woods Hole Oceanographic Institution)


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